Yes, that's my understanding too. tx power + antenna gain <= regulatory limit. With some rounding down going on I assume. So you can drop tx power but you can't increase it so total would be over regulatory limit.I was on channel 36 before trying 149 and TX Power was 18. This makes sense from what I understand: 18 + 4.5 = 22.5.
Actually for UK, the power might be correct *if* this table is correct. If antenna gain is 4.5, looks like it's rounded up to 5.
Code:
> /interface/wifi/radio/reg-info country="United Kingdom" number=0 ranges: 2402-2482/20 5170-5250/23/indoor 5250-5330/23/indoor/dfs 5490-5730/30/dfs 5735-5875/14Later - found this useful link: https://www.solwise.co.uk/downloads/fil ... uk5ghz.pdf
In band B, maximum should be 1W which ChatGPT tells me is 30dBm so 5490-5730 is correct. Channel C is 4W which is 36dBm so why RouterOS has a limit of 14 is perplexing. I'm clearly missing something.
Sorry for quoting UK but looks like same problem although in our case, the table in RouterOS looks wrong. Should be same as Australia (4W/36dBm). This is the formula BTW for Watts to dBm:
Statistics: Posted by robmaltsystems — Tue Mar 12, 2024 6:00 pm
